Month by month

What Reptiles and Amphibians Are Out in Pennsylvania in August

40 reptiles and amphibians are active in Pennsylvania in August, and 29 are at peak. Peak species include the American Toad, Eastern Newt, Green Frog, and Common Watersnake.

Counted from iNaturalist research-grade observations recorded inside Pennsylvania. Seasons shift across the state, so for a closer match, pick your ecoregion.

Full 12-month Pennsylvania calendar Pick your ecoregion

Species out across Pennsylvania, by group and month

Group
Snakes	2	2	7	15	15	15	15	14	14	13	6	2
Lizards			2	2	2	2	2	2	2	1
Turtles	1	3	4	7	7	7	7	7	7	6	3	2
Frogs and Toads		5	6	8	8	7	7	7	7	6	4
Salamanders	3	9	12	15	13	11	10	10	12	13	9	3

Numbers = species active that month (at peak or just starting / winding down).

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At peak in August 29

Snakes

peak

SnakesCentral RatsnakePantherophis alleghaniensis

peak

SnakesCommon WatersnakeNerodia sipedon

peak

SnakesEastern CopperheadAgkistrodon contortrix

venomous

peak

SnakesEastern Hognose SnakeHeterodon platirhinos

peak

SnakesEastern MilksnakeLampropeltis triangulum

peak

SnakesQueensnakeRegina septemvittata

peak

SnakesRed-bellied SnakeStoreria occipitomaculata

peak

SnakesRing-necked SnakeDiadophis punctatus

peak

SnakesShort-headed Garter SnakeThamnophis brachystoma

peak

SnakesSmooth GreensnakeOpheodrys vernalis

peak

SnakesTimber RattlesnakeCrotalus horridus

venomous

Lizards

peak

LizardsCommon Five-lined SkinkPlestiodon fasciatus

peak

LizardsEastern Fence LizardSceloporus undulatus

Turtles

peak

TurtlesSpiny SoftshellApalone spinifera

Frogs and Toads

peak

Frogs and ToadsAmerican BullfrogLithobates catesbeianus

peak

Frogs and ToadsAmerican ToadAnaxyrus americanus

peak

Frogs and ToadsFowler's ToadAnaxyrus fowleri

peak

Frogs and ToadsGray TreefrogDryophytes versicolor

peak

Frogs and ToadsGreen FrogLithobates clamitans

peak

Frogs and ToadsNorthern Leopard FrogLithobates pipiens

peak

Frogs and ToadsPickerel FrogLithobates palustris

Salamanders

peak

SalamandersAllegheny Mountain Dusky SalamanderDesmognathus ochrophaeus

peak

SalamandersEastern NewtNotophthalmus viridescens

peak

SalamandersLong-tailed SalamanderEurycea longicauda

peak

SalamandersNorthern Dusky SalamanderDesmognathus fuscus

peak

SalamandersNorthern Slimy SalamanderPlethodon glutinosus

peak

SalamandersNorthern Two-lined SalamanderEurycea bislineata

peak

SalamandersSeal SalamanderDesmognathus monticola

peak

SalamandersWehrle's SalamanderPlethodon wehrlei

Shoulder season in August 11

Snakes

shoulder

SnakesCommon Garter SnakeThamnophis sirtalis

shoulder

SnakesDeKay's BrownsnakeStoreria dekayi

shoulder

SnakesNorth American RacerColuber constrictor

Turtles

shoulder

TurtlesCommon Snapping TurtleChelydra serpentina

shoulder

TurtlesEastern Musk TurtleSternotherus odoratus

shoulder

TurtlesNorthern Map TurtleGraptemys geographica

shoulder

TurtlesNorthern Red-bellied CooterPseudemys rubriventris

shoulder

TurtlesPainted TurtleChrysemys picta

shoulder

TurtlesPond SliderTrachemys scripta

introduced

Salamanders

shoulder

SalamandersRed SalamanderPseudotriton ruber

shoulder

SalamandersSpring SalamanderGyrinophilus porphyriticus

Peak and shoulder ratings are rough guidance, not a schedule. Weather, elevation and the year can shift any species by weeks.

Rare and protected species are left off on purpose. Look, don't take, and never handle a venomous snake.

Pennsylvania in August

What reptiles and amphibians are out in Pennsylvania in August?

40 reptiles and amphibians are active in Pennsylvania in August, and 29 are at peak. Peak species include the American Toad, Eastern Newt, Green Frog, and Common Watersnake.

Are venomous snakes active in Pennsylvania in August?

Yes. The Timber Rattlesnake and Eastern Copperhead can be active in August. Watch where you step and don't handle them.